v3.26.1
STOCKHOLDERS’ EQUITY - Schedule of Reclassifications Out of Accumulated Other Comprehensive Loss (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Reclassification out of Accumulated Other Comprehensive Income        
Revenue $ 2,763.1 $ 2,534.7 $ 5,255.8 $ 4,768.3
Other income (expense), net (18.7) (10.7) (12.4) (40.3)
Income before income taxes 476.2 374.8 832.0 605.1
Provision (benefit) for income taxes 114.1 106.5 210.0 193.5
Net income attributable to TechnipFMC plc 362.7 269.5 623.2 411.5
Amount Reclassified out of Accumulated Other Comprehensive Income (loss) | Gains (losses) on hedging instruments | Foreign exchange contracts | Cash Flow Hedging        
Reclassification out of Accumulated Other Comprehensive Income        
Revenue 15.4 (14.0) 15.7 (22.8)
Cost of sales (8.2) 13.0 10.4 25.5
Other income (expense), net 12.2 (6.0) 11.8 (9.0)
Income before income taxes 19.4 (7.0) 37.9 (6.3)
Provision (benefit) for income taxes 4.9 (2.2) 6.8 (0.8)
Net income attributable to TechnipFMC plc 14.5 (4.8) 31.1 (5.5)
Amount Reclassified out of Accumulated Other Comprehensive Income (loss) | Defined Pension  and Other Post-Retirement Benefits        
Reclassification out of Accumulated Other Comprehensive Income        
Income before income taxes (0.9) (3.0) (2.1) (6.1)
Provision (benefit) for income taxes (0.2) (0.6) (0.4) (1.3)
Net income attributable to TechnipFMC plc (0.7) (2.4) (1.7) (4.8)
Amount Reclassified out of Accumulated Other Comprehensive Income (loss) | Amortization of prior service credit (cost)        
Reclassification out of Accumulated Other Comprehensive Income        
Other income (expense), net 0.0 0.0 (0.1) (0.1)
Amount Reclassified out of Accumulated Other Comprehensive Income (loss) | Amortization of net actuarial loss        
Reclassification out of Accumulated Other Comprehensive Income        
Other income (expense), net $ (0.9) $ (3.0) $ (2.0) $ (6.0)